Recommended materials:

● 90 g / 1 hank / 144m / 157 ½ yds of Scheepjes SKIES Heavy (DK, 100% Premium Blend Cotton; 100 g / 170 m / 185,9 yds) in 101 (Cirrus) color. (101).
I had a skein weighing 108 g, a small ball (18 g) remained.
● Crochet hook 3.75 mm for the bag, 3mm for the strap, tapestry needle, hand-sewing needle, yarn color matching sewing thread.
● 30-50 g of any Fingering yarn of suitable color for the bag strap and the square ring tabs. For example, Scheepjes Catona (Fingering, 100% Mercerised Cotton; 50 g / 125 m / 136,7 yds)
● 2.0 cm / ¾” 2 metal Square Rings and 1 the metal adjuster slider for the bag strap.
● Decovil Heavy (or any other interlining) for the bottom of the bag approximately 4 cm (1.6”) by 15 cm (6”). Measure the bottom of the finished bag before buying.
● A lining (measure the bag before purchasing).
● Zipper if you like. Measure your finished bag before purchasing.

Crochet level:
Advanced

You should know how to crochet following stitches (US terminology):
ch (chain), sl st (slip stitch), hdc (half double crochet), dc (double crochet), tr (treble / triple crochet), dc2tog (double crochet 2 together), FPdc (front post double crochet), BPdc (back post double crochet)

Crochet hooks:
3.75 mm, 3mm.

Size:
Bag is about 17.5 cm / 7” wide and 15 cm / 6” tall with the gauge mentioned in this pattern. The size will vary with the yarn and hook size used.